package com.smallkingson.ylib.core.utils;

import com.smallkingson.ylib.core.Yr;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * Created by Administrator on 2016/4/29.
 */
public class YShells {

    public static ExecutorService shellService= Executors.newCachedThreadPool();
    public static void execCommand(String command) throws IOException {
        // start the ls command running
        //String[] args =  new String[]{"sh", "-c", command};
        Runtime runtime = Runtime.getRuntime();
        Process proc = runtime.exec(command);        //这句话就是shell与高级语言间的调用
        //如果有参数的话可以用另外一个被重载的exec方法
        //实际上这样执行时启动了一个子进程,它没有父进程的控制台
        //也就看不到输出,所以我们需要用输出流来得到shell执行后的输出
        InputStream inputstream = proc.getInputStream();
        InputStreamReader inputstreamreader = new InputStreamReader(inputstream);
        BufferedReader bufferedreader = new BufferedReader(inputstreamreader);
        // read the ls output
        String line = "";
        StringBuilder sb = new StringBuilder(line);
        while ((line = bufferedreader.readLine()) != null) {
            //System.out.println(line);
            Yr.d(line);
            sb.append(line);
            sb.append('\n');
        }
        //tv.setText(sb.toString());
        //使用exec执行不会等执行成功以后才返回,它会立即返回
        //所以在某些情况下是很要命的(比如复制文件的时候)
        //使用wairFor()可以等待命令执行完成以后才返回
        try {
            if (proc.waitFor() != 0) {
                Yr.d("exit value = " + proc.exitValue());
            }
        } catch (InterruptedException e) {
            Yr.logError(e);
        }
        Yr.d("指令执行完毕："+command);
    }
    public static void click(final int x, final int y){
        shellService.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    execCommand("/system/bin/input tap "+x+" "+y);
                } catch (IOException e) {
                    Yr.logError(e);
                }
            }
        });
    }
}
